Type-C single-chip electrical source module 18650 lithium battery filling 1.8V 3.3V 5V power supply

This module can input 5V power supply to the single-chip microcomputer through the 3.7V 18650 lithium battery and the Type-CUSB port. It can also be used as a module with appropriate electrical parameters (not directly connected to the motor).The form output 5V, 3.3V, and 1.8V voltage, which can be used for power supply power supply for multiple scenarios.The module has 4 indicators to distinguish the current battery power and battery charging.

LED 指示灯说明(右->Left):

Discharge mode:

LED1: Electricity remaining
LED2: Electricity remaining
LED3: power remaining
LED4: Electricity remaining
Charging mode:

LED1: Flash indicates that the current charging is less than 25%

LED2: Flashing means that the current charging is less than 50%

LED3: Flash means that the current charging is less than 75%

LED4: Flashing means that the current charging power is less than 100%, and it is always full

Introduction

1.usb port input voltage: 4.7-5.5V

2. Battery work voltage: 3.1-4.3V

3. Full battery voltage: 4.15-4.25V

4. Max output current:

5V: 1.5A

3.3V: 400MA

1.8V: 150mA

5. Deadline output voltage: battery 3V

6. Put on the side: the output voltage is about 4.5V MAX 400mA

7. Battery connection method: parallel (battery can access one or two)

Fourth, use and the precautions module with a dial switch, which can control the output. When you dial to the left, the output is turned off, and the output is turned on to the right: if the battery protection chip triggers protection, the installation of new batteries, and the opening of the switch indicator is not on.In the case, you can connect to the USB port charging and activation;

After the output is turned off, the indicator light will continue to light up about 30s and then extinguish:

Note that the battery method is connected to the module to connect parallel. Do not connect the battery to the module in series;

Pay attention to distinguish positive and negative electrodes.

5. Product test:

Battery: 70m2 Internal resistance 18650

Battery capacity 2000mAh: output 5V1A

Battery capacity 3000mAh: 5V1.5A can be output

The battery MAX input voltage is determined by load. The MAX output current is 1.5A. The parameters can be derived by the following formulas:

Lin = (5*Lout)/(0.7*vim)

It is recommended to use a 18650 battery with a total capacity of more than 1500mAh.